Instant Alert: 8 amazing facts about the great scientific mystery that is left-handedness

MANAGE SUBSCRIPTIONS   |   UNSUBSCRIBE   |   VIEW ONLINE   8 amazing facts about the great scientific mystery that is left-handedness by Jessica Orwig on Feb 29, 2016, 6:18 PM Advertisement There's a minority that not many people think about and has stumped scientists for decades: lefties. About 10% of the human population is left-handed, yet no one knows for sure why lefties are so rare. It's probably the result of a mix of factors, including things related to genetics, evolution, and even prenatal hormones. Or, it could be the result of something else entirely. Here are some of the most interesting facts researchers have reported as they attempt to unlock the keys to left-handedness: READ MORE: The 12 most compelling scientific findings that suggest aliens are real SEE ALSO: World-famous chef Anthony Bourdain won't eat restaurant fish on Mondays, and there's a good reason why Twins are more likely to be left-handed, but no one knows why. Source: Behavior Genetics, 1996 Two left-handed parents have a 26.1% chance of having a left-handed child whereas two right-handed parents only have a 9.5% chance. Source: Handbook of Neuropsychology, 1992 Most animals show no preference for handedness, or when one hand is more dominant than the other. Humans and our closest relatives, chimps, are an exception. About 90% of humans and 70% of chimps are right-handed. Source: Monitor on Psychology, 2009   See the rest of the story at Business Insider   Share the latest business news with your network: Email sent to:   |   Manage your email preferences   |   Unsubscribe Terms of Service   |   Privacy Policy Business Insider. 150 Fifth Avenue, New York, NY 10011